public int UseExpScroll(SessionToken sessionToken, Guid characterId, int count)
{
if (count <= 0)
{
return(-1);
}
var session = gameData.GetSession(sessionToken.SessionId);
if (session == null)
{
return(-1);
}
var character = gameData.GetCharacter(characterId);
var inventory = inventoryProvider.Get(characterId);
DataModels.UserBankItem bankItemScroll = null;
var scrolls = inventory.GetUnequippedItems(DataModels.ItemCategory.Scroll);
var scroll = scrolls.FirstOrDefault(x => x.Item.Name.Contains("exp", StringComparison.OrdinalIgnoreCase));
if (scroll.IsNull() || scroll.Amount <= 0)
{
var bankItems = gameData.GetUserBankItems(character.UserId);
bankItemScroll = bankItems.FirstOrDefault(x => IsScrollOfType(x, ScrollType.Experience));
if (bankItemScroll == null)
{
return(-2);
}
}
int left = serverManager.GetIncreasableGlobalExpAmount();
int usageCount = count;
if (bankItemScroll != null)
{
usageCount = (int)bankItemScroll.Amount;
}
else
{
usageCount = (int)scroll.Amount;
}
usageCount = (int)Math.Min(count, Math.Min(usageCount, left));
if (left <= 0 || usageCount <= 0)
{
return(0);
}
var user = gameData.GetUser(character.UserId);
if (serverManager.IncreaseGlobalExpMultiplier(user, usageCount))
{
if (bankItemScroll != null)
{
gameData.RemoveFromStash(bankItemScroll, usageCount);
}
else
{
inventory.RemoveItem(scroll, usageCount);
}
return(usageCount);
}
return(0);
}
